MATH SCIENCE QUESTION

Maths Teaser of the Day

The sides of a triangle are Sin α, Cos α and  for 0 < α = π/2. Then the greatest angle of the triangle is

Choose correct answer:

 60⁰

 90⁰

 120⁰

 150⁰

Science Teaser of the Day

A toy-car travels in a horizontal circle of radius 2a, kept on the track by radial elastic string of unstretched length a. The period of rotation of the toy-car isT₀. Now the toy car is speeded up until it is moving in a circle of radius 3a. Assuming that the string obeys Hooke’s law the new period T is given as

Choose correct answer:

 T = T_O